|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Beryllium & arts. thereof , n.e.s. in 81.12 | | | | $44,181 | |
| Gallium, hafnium, indium, niobium (columbium) & rhenium, & arts. thereof , ... | $1,240,433 | $434,419 | $316,395 | $114,091 | $23,240 |
| Total | $1,240,433 | $434,419 | $316,395 | $158,272 | $23,240 |
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